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Max ctrl pts: Specifies the maximum number of polylines will contain for any curve section.
The lower half of the palette contains standard views. The top row contains orthographic and isometric views and the bottom row contains sectional views. 
Entity CS, World CS: Sets the view based on one of these coordinate systems. As an example, a torus is created and rotated about the Y axis.
With Entity CS, the Plan view looks down on the torus in its own CS, even though the torus is rotated. 
With World CS, the Plan view looks down on the rotated torus. 
